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   1 /* ldap_int_thread.h - ldap internal thread wrappers header file */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2008 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16
  17
  18 LDAP_BEGIN_DECL
  19
  20 /* Can be done twice in libldap_r.  See libldap_r/ldap_thr_debug.h. */
  21 LDAP_F(int) ldap_int_thread_initialize LDAP_P(( void ));
  22 LDAP_F(int) ldap_int_thread_destroy    LDAP_P(( void ));
  23
  24 LDAP_END_DECL
  25
  26
  27 #ifndef _LDAP_INT_THREAD_H
  28 #define _LDAP_INT_THREAD_H
  29
  30 #if defined( HAVE_PTHREADS )
  31 /**********************************
  32  *                                *
  33  * definitions for POSIX Threads  *
  34  *                                *
  35  **********************************/
  36
  37 #include <pthread.h>
  38 #ifdef HAVE_SCHED_H
  39 #include <sched.h>
  40 #endif
  41
  42 LDAP_BEGIN_DECL
  43
  44 typedef pthread_t               ldap_int_thread_t;
  45 typedef pthread_mutex_t         ldap_int_thread_mutex_t;
  46 typedef pthread_cond_t          ldap_int_thread_cond_t;
  47
  48 #define ldap_int_thread_equal(a, b)     pthread_equal((a), (b))
  49
  50 #if defined( _POSIX_REENTRANT_FUNCTIONS ) || \
  51         defined( _POSIX_THREAD_SAFE_FUNCTIONS ) || \
  52         defined( _POSIX_THREADSAFE_FUNCTIONS )
  53 #define HAVE_REENTRANT_FUNCTIONS 1
  54 #endif
  55
  56 #if defined( HAVE_PTHREAD_GETCONCURRENCY ) || \
  57         defined( HAVE_THR_GETCONCURRENCY )
  58 #define LDAP_THREAD_HAVE_GETCONCURRENCY 1
  59 #endif
  60
  61 #if defined( HAVE_PTHREAD_SETCONCURRENCY ) || \
  62         defined( HAVE_THR_SETCONCURRENCY )
  63 #define LDAP_THREAD_HAVE_SETCONCURRENCY 1
  64 #endif
  65
  66 #if 0 && defined( HAVE_PTHREAD_RWLOCK_DESTROY )
  67 #define LDAP_THREAD_HAVE_RDWR 1
  68 typedef pthread_rwlock_t ldap_int_thread_rdwr_t;
  69 #endif
  70
  71 LDAP_END_DECL
  72
  73 #elif defined ( HAVE_MACH_CTHREADS )
  74 /**********************************
  75  *                                *
  76  * definitions for Mach CThreads  *
  77  *                                *
  78  **********************************/
  79
  80 #if defined( HAVE_MACH_CTHREADS_H )
  81 #       include <mach/cthreads.h>
  82 #elif defined( HAVE_CTHREAD_H
  83 #       include <cthreads.h>
  84 #endif
  85
  86 LDAP_BEGIN_DECL
  87
  88 typedef cthread_t               ldap_int_thread_t;
  89 typedef struct mutex            ldap_int_thread_mutex_t;
  90 typedef struct condition        ldap_int_thread_cond_t;
  91
  92 LDAP_END_DECL
  93
  94 #elif defined( HAVE_GNU_PTH )
  95 /***********************************
  96  *                                 *
  97  * thread definitions for GNU Pth  *
  98  *                                 *
  99  ***********************************/
 100
 101 #define PTH_SYSCALL_SOFT 1
 102 #include <pth.h>
 103
 104 LDAP_BEGIN_DECL
 105
 106 typedef pth_t           ldap_int_thread_t;
 107 typedef pth_mutex_t     ldap_int_thread_mutex_t;
 108 typedef pth_cond_t      ldap_int_thread_cond_t;
 109
 110 #if 0
 111 #define LDAP_THREAD_HAVE_RDWR 1
 112 typedef pth_rwlock_t ldap_int_thread_rdwr_t;
 113 #endif
 114
 115 LDAP_END_DECL
 116
 117 #elif defined( HAVE_THR )
 118 /********************************************
 119  *                                          *
 120  * thread definitions for Solaris LWP (THR) *
 121  *                                          *
 122  ********************************************/
 123
 124 #include <thread.h>
 125 #include <synch.h>
 126
 127 LDAP_BEGIN_DECL
 128
 129 typedef thread_t                ldap_int_thread_t;
 130 typedef mutex_t                 ldap_int_thread_mutex_t;
 131 typedef cond_t                  ldap_int_thread_cond_t;
 132
 133 #define HAVE_REENTRANT_FUNCTIONS 1
 134
 135 #ifdef HAVE_THR_GETCONCURRENCY
 136 #define LDAP_THREAD_HAVE_GETCONCURRENCY 1
 137 #endif
 138 #ifdef HAVE_THR_SETCONCURRENCY
 139 #define LDAP_THREAD_HAVE_SETCONCURRENCY 1
 140 #endif
 141
 142 LDAP_END_DECL
 143
 144 #elif defined( HAVE_LWP )
 145 /*************************************
 146  *                                   *
 147  * thread definitions for SunOS LWP  *
 148  *                                   *
 149  *************************************/
 150
 151 #include <lwp/lwp.h>
 152 #include <lwp/stackdep.h>
 153 #define LDAP_THREAD_HAVE_SLEEP 1
 154
 155 LDAP_BEGIN_DECL
 156
 157 typedef thread_t                ldap_int_thread_t;
 158 typedef mon_t                   ldap_int_thread_mutex_t;
 159 struct ldap_int_thread_lwp_cv {
 160         int             lcv_created;
 161         cv_t            lcv_cv;
 162 };
 163 typedef struct ldap_int_thread_lwp_cv ldap_int_thread_cond_t;
 164
 165 #define HAVE_REENTRANT_FUNCTIONS 1
 166
 167 LDAP_END_DECL
 168
 169 #elif defined(HAVE_NT_THREADS)
 170 /*************************************
 171  *                                   *
 172  * thread definitions for NT threads *
 173  *                                   *
 174  *************************************/
 175
 176 #include <process.h>
 177 #include <windows.h>
 178
 179 LDAP_BEGIN_DECL
 180
 181 typedef unsigned long   ldap_int_thread_t;
 182 typedef HANDLE  ldap_int_thread_mutex_t;
 183 typedef HANDLE  ldap_int_thread_cond_t;
 184
 185 LDAP_END_DECL
 186
 187 #else
 188 /***********************************
 189  *                                 *
 190  * thread definitions for no       *
 191  * underlying library support      *
 192  *                                 *
 193  ***********************************/
 194
 195 #ifndef NO_THREADS
 196 #define NO_THREADS 1
 197 #endif
 198
 199 LDAP_BEGIN_DECL
 200
 201 typedef int                     ldap_int_thread_t;
 202 typedef int                     ldap_int_thread_mutex_t;
 203 typedef int                     ldap_int_thread_cond_t;
 204
 205 #define LDAP_THREAD_HAVE_TPOOL 1
 206 typedef int                     ldap_int_thread_pool_t;
 207
 208 LDAP_END_DECL
 209
 210 #endif /* no threads support */
 211
 212
 213 LDAP_BEGIN_DECL
 214
 215 #ifndef ldap_int_thread_equal
 216 #define ldap_int_thread_equal(a, b)     ((a) == (b))
 217 #endif
 218
 219 #ifndef LDAP_THREAD_HAVE_RDWR
 220 typedef struct ldap_int_thread_rdwr_s * ldap_int_thread_rdwr_t;
 221 #endif
 222
 223 LDAP_F(int) ldap_int_thread_pool_startup ( void );
 224 LDAP_F(int) ldap_int_thread_pool_shutdown ( void );
 225
 226 #ifndef LDAP_THREAD_HAVE_TPOOL
 227 typedef struct ldap_int_thread_pool_s * ldap_int_thread_pool_t;
 228 #endif
 229
 230 LDAP_END_DECL
 231
 232
 233 #if defined(LDAP_THREAD_DEBUG) && !((LDAP_THREAD_DEBUG +0) & 2U)
 234 #define LDAP_THREAD_DEBUG_WRAP 1
 235 #endif
 236
 237 #ifdef LDAP_THREAD_DEBUG_WRAP
 238 /**************************************
 239  *                                    *
 240  * definitions for type-wrapped debug *
 241  *                                    *
 242  **************************************/
 243
 244 LDAP_BEGIN_DECL
 245
 246 #ifndef LDAP_UINTPTR_T  /* May be configured in CPPFLAGS */
 247 #define LDAP_UINTPTR_T  unsigned long
 248 #endif
 249
 250 typedef union {
 251         unsigned char                   *ptr;
 252         LDAP_UINTPTR_T                  num;
 253 } ldap_debug_usage_info_t;
 254
 255 typedef struct {
 256         ldap_int_thread_mutex_t wrapped;
 257         ldap_debug_usage_info_t usage;
 258 } ldap_debug_thread_mutex_t;
 259
 260 typedef struct {
 261         ldap_int_thread_cond_t  wrapped;
 262         ldap_debug_usage_info_t usage;
 263 } ldap_debug_thread_cond_t;
 264
 265 typedef struct {
 266         ldap_int_thread_rdwr_t  wrapped;
 267         ldap_debug_usage_info_t usage;
 268 } ldap_debug_thread_rdwr_t;
 269
 270 LDAP_END_DECL
 271
 272 #endif /* LDAP_THREAD_DEBUG_WRAP */
 273
 274 #endif /* _LDAP_INT_THREAD_H */